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Old Feb 21, 2007 | 04:10 PM
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fbodyfreek's Avatar
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Default motor mount?

is it safe to say i have a broken motor mount if the whole motor squats to the passenger side when you push the throttle? just checked it, i looked while my brother worked the gas. when it opens up the motor leans. so i guess i need new ones? what kinda of ride comfort would i be lacking if i replaced them with solid mounts? thanks.
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Old Feb 22, 2007 | 05:39 AM
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id say its a safe bet.....go with a poly mount instead of a solid....if you DD your car...solid will be a bad choice....pretty rough
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Old Feb 22, 2007 | 09:29 AM
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From: Schiller Park, ILL Member: #317
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Originally Posted by fbodyfreek
is it safe to say i have a broken motor mount if the whole motor squats to the passenger side when you push the throttle?
Just how much leaning are you talking about here? A little lean is normal, they all do that under load. But the lean should be very minimal if the car is not in gear.
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Old Feb 22, 2007 | 02:11 PM
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which one is it....squat or lean?...kinda a difference....i mean fat joe can lean but i doubt that bitch can squat real well....^^^ he's right a little lean is normal, esp. with the rubber mounts
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Old Feb 23, 2007 | 11:51 PM
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hhmmm, i'll have to check it again because i don't know if it's out of the ordinary. i can't see the actual mount from under the car because of that metal plate, but if it isn't that what else could cause such a harsh vibration at about 95mph? the vibration dampener looks okay.
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Old Feb 24, 2007 | 01:44 AM
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From: Schiller Park, ILL Member: #317
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Originally Posted by fbodyfreek
but if it isn't that what else could cause such a harsh vibration at about 95mph?
Only at 95mph, or just worse at 95? I've heard before about some LT1-era F-bodies having issues with driveshaft vibration above ~90mph. That condition seemed to be corrected by the LS1-era, but as your car is a '97 that might be something to look into if your DS is stock.

Vibrations in general can be caused by a lot of things. Poorly balanced wheels, tires out of round, poorly balanced driveshaft, something out-of-balance in the area of the Flexplate/flywheel or torque converter, trans mount or torque arm mount issue, etc.
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Old Feb 24, 2007 | 02:30 AM
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you realize how much rubber is instituted in these cars?....ie bushings...those things wear soooo bad over time...
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